Opto-Electronics


Latest Articles

4-character dot matrix display
3 April 2013, Brabek
The new ELMM-457SURCB/A3 from Everlight Electronics is a through-hole dot matrix display driven by packaged IC. Each display can be directly interfaced with a microprocessor and the serial IC interface ...

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Optical LCD filters
3 April 2013, Actum
Instrument Plastics’ range of Optolite Clear HSR optical grade filters offers a robust material that is resistant to high temperature, scratches and impact. It is especially suited to LCDs and other display ...

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LED drivers for retrofit lamps
3 April 2013
Texas Instruments has introduced the industry’s smallest off-line, phase-dimmable, constant-current lighting controller and an easy-to-use lighting driver that simplify the retrofit of a variety of LED ...

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Gate drive optocoupler
3 April 2013, EBV Electrolink
Avago Technologies announced a new smart gate drive optocoupler, the ACPL-339J, with 1 A output current and dual outputs optimised for driving both high-side and low-side gates of the MOSFET buffer stage. ...

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60 V LED drivers
3 April 2013, EBV Electrolink, Electrocomp
New from Infineon Technologies are two 60 V DC-DC LED drivers that boast high power conversion efficiency, high current accuracy that helps assure constant light output, and adjustable over-temperature ...

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Solid-state lighting driver
20 March 2013, Communica
The new HV9973 from Supertex is an isolated, constant-current LED driver for use in high-voltage solid-state lighting applications such as incandescent bulb retrofits. The IC achieves ±3% current accuracy ...

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Image sensors for distance measurement
6 March 2013, Hamamatsu Photonics UK
Hamamatsu Photonics has developed three new image sensors that feature a high-speed charge transfer structure in each pixel to enable high-precision TOF (time-of-flight) distance measurements. The S11961-01CR ...

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Colour sensors
6 March 2013
Conventional luminescence sensors are limited in their capacity to only detect the presence of a fluorescent object, but are ineffective when required to perform colour differentiation detection. The ...

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IR LED for discreet security applications
6 March 2013
Concealed security systems, such as those installed in banks, on machinery and at border controls, need to be designed so they are unobtrusive. This is a major challenge for infrared illumination in ...

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Digital optocouplers
6 March 2013, EBV Electrolink
Avago Technologies announced new additions to its R2Coupler family in the form of the ACPL-M49U/K49U/M71U/M72U digital optocouplers. The new parts provide a wider temperature range than existing options ...

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LED driver with high current accuracy
6 March 2013, Communica
Supertex introduced the HV9803, an open loop, average-mode, current control LED driver operating in a constant off-time mode. It is well suited for backlighting LCD panel applications such as TVs and ...

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Ultraviolet LED
20 February 2013, EBV Electrolink
The new VLMU3100 from Vishay is an ultraviolet (UV) LED in the surface-mount PLCC-2 package. Aimed at a wide range of applications, including adhesive curing, it serves as a solid-state replacement for ...

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Integrated proximity sensor
6 February 2013, EBV Electrolink
Vishay has rolled out a fully integrated proximity sensor that combines an IR emitter, photo-pin-diode, signal processing IC, and 16-bit ADC in one small 4,85 x 2,35 x 0,83 mm surface-mount package. The ...

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HB LED driver
6 February 2013, Altron Arrow
Texas Instruments introduced a 1,5 A constant-current DC-DC buck converter LED driver with a combination of frequency synchronisation, pulse-width modulation (PWM) dimming and thermal foldback. The TPS92510 ...

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Optocouplers for automotive isolation
6 February 2013, EBV Electrolink
Avago Technologies has added three new isolation optocouplers to its R2Coupler family. The new parts provide safe isolation for electric vehicle (EV) and hybrid/electric vehicle (HEV) applications such ...

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New light source may challenge LEDs
23 January 2013, News
The research group is believed to be the first to make a large-scale FIPEL that can replace current office lighting and is based on natural white light.

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LED drivers for long strings and multi-chip arrays
23 January 2013, Brabek
With input voltages up to 60 V d.c. and constant-current outputs of 350, 500, 700 and 1200 mA, Recom’s new RCD-48 family of LED drivers offer device power ratings up to 70 W for long LED strings and multi-chip ...

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Reflective optical sensor
23 January 2013, EBV Electrolink
Vishay’s new TCNT2000 is a reflective optical sensor with transistor output in a miniature SMD package. Measuring just 3,4 by 2,7 by 1,5 mm, it offers a detection range from 0,2 mm to 5 mm for consumer, ...

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High-current LED controller
23 January 2013, Altron Arrow
Linear Technology’s LT3761 is a 60 V DC-DC controller designed to operate as a constant-current source and constant-voltage regulator. Its internal PWM dimming generator makes it ideal for driving high-current ...

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Multichip LEDs for outdoor displays
28 November 2012
Large-format outdoor displays, for example at rock concerts, at sporting events or for perimeter advertising, are the main target applications for the new Displix black and Displix blackprint multichip ...

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